How different trends occurred at the same time. To combine two already mentioned, while the Beatles were recording Revolver, the Grateful Dead was dripping with LSD, and Motown was hitting its stride.
All music is context, and there has to be a way to show trends, cross-trends, etc., in the proper time frame and context.
All music is context, and there has to be a way to show trends, cross-trends, etc., in the proper time frame and context.